Home / 35,499.48-48,990.87-20,397.03

Finding the Fourth Proportional to 35,499.48, 48,990.87 and 20,397.03

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Solution

The fourth proportional to 35,499.48, 48,990.87 and 20,397.03 is: 28,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,499.48 : 48,990.87 = 20,397.03 : x
  2. Step 2: Convert to fraction form
    35,499.48/48,990.87 = 20,397.03/x
  3. Step 3: Cross multiply
    35,499.48x = 48,990.87 × 20,397.03
  4. Step 4: Simplify right side
    35,499.48x = 999,268,245.12
  5. Step 5: Solve for x
    x = 999,268,245.12/35,499.48
  6. Step 6: Final answer
    x = 28,148.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.